What is the evidence that Cancer Man keeps an affair with you?

Cancer men may be fickle or sensitive and loyal. They are sentimental, but their sad faces will soon be replaced by smiles.

Cancer is sincere and delicate, loyal and kind, tenacious and persistent, and has indomitable willpower; But also very emotional, sensitive, insecure, difficult to please, easy to get hysterical. Cancer is hard to open up to others, but if he does, it proves that he is interested in you and doesn't want to lose you. Having an affair with you proves that you are very important to her. But everything will be an accident, maybe it's just for fun for him.